/*
 * Copyright 2004 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using NUnit.Framework;

namespace Spring.Core.TypeConversion;

/// <summary>
/// Unit tests for the RuntimeTypeConverter class.
/// </summary>
[TestFixture]
public class RuntimeTypeConverterTests
{
    [Test]
    public void CanConvertFrom()
    {
        RuntimeTypeConverter cnv = new RuntimeTypeConverter();
        Assert.IsTrue(cnv.CanConvertFrom(typeof(string)), "Mmm... I can't convert from a string to a Type.");
        Assert.IsFalse(cnv.CanConvertFrom(GetType()), "Mmm... managed to convert to a Type from a Type of this test. Boing!");
    }

    [Test]
    public void CanConvertTo()
    {
        RuntimeTypeConverter cnv = new RuntimeTypeConverter();
        Assert.IsTrue(cnv.CanConvertTo(typeof(Type)), "Mmm... I can't convert to a Type at all.");
        Assert.IsFalse(cnv.CanConvertTo(typeof(void)), "Mmm... managed to convert to a Type from a bad type. Boing!");
    }

    [Test]
    public void ConvertFromNonSupportedType()
    {
        RuntimeTypeConverter cnv = new RuntimeTypeConverter();
        Assert.Throws<NotSupportedException>(() => cnv.ConvertFrom(12));
    }

    [Test]
    public void ConvertFromString()
    {
        RuntimeTypeConverter cnv = new RuntimeTypeConverter();
        object foo = cnv.ConvertFrom("System.String");
        Assert.IsNotNull(foo);
        Assert.AreEqual(GetType().GetType().FullName, foo.GetType().FullName);
    }

    [Test]
    public void ConvertToString()
    {
        RuntimeTypeConverter cnv = new RuntimeTypeConverter();
        object foo = cnv.ConvertTo(typeof(string), typeof(string));
        Assert.IsNotNull(foo);
        Assert.AreEqual(typeof(string).AssemblyQualifiedName, foo);
    }

    [Test]
    public void ConvertToStringFromNonSupportedType()
    {
        RuntimeTypeConverter cnv = new RuntimeTypeConverter();
        Assert.Throws<NotSupportedException>(() => cnv.ConvertTo(typeof(string), GetType()));
    }
}
